/*
 * simple program illustrating integer I/O
 *
 * no error checking since this is meant to be an example that doesn't
 * require conditional execution.
 */
#include <stdio.h>

int main(void) {

	int x = 10;
	int y = x*2;

    /* 
     * simple example of printing integer values 
     */

	printf("x = %d, y = %d\n", x, y);

    /* 
     * simple examples of prompting for integer values
     * notice the "&" in front of the target variable name --
     * we will talk later about what this means, but for now 
     * just be aware that it is needed!
     */

	printf("enter x\n");
	scanf("%d", &x);
	printf("enter y\n");
	scanf("%d", &y);
	printf("x = %d, y = %d\n", x, y);

	printf("enter x, y\n");
	scanf("%d %d", &x, &y);
	printf("x = %d, y = %d\n", x, y);

	return 0;
}